Leases - Schedule of Effect of Lease Costs in the Company's Consolidated Statement of Operations and Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Finance Lease Costs [Abstract]
Amortization of ROU assets	$ 114	$ 134	$ 488	$ 359
Interest on lease liabilities	31	42	151	106
Operating lease cost	351	351	1,404	1,404
Short-term lease cost	176	150	749	389
Variable lease cost	249	206	786	907
Sublease income			0	(253)
Total lease costs	$ 921	$ 883	$ 3,578	$ 2,912

Finance lease costs.

No definition available.

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- Definition

Total costs of sales and operating expenses for the period.

+ References

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-Name Accounting Standards Codification
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- Definition

Amount of interest expense on finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
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-Paragraph 4
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

+ References

No definition available.

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

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- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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